The UN system flourished during and after the world wars, the purpose of the UN system was drafted by none other than those special countries, who were fully engaged in war. Not alone the war, the losses and infrastructure damage they saw on their eyes. Ignited their consciousness & the ground reality statistics, which forced them to draft the international co-operation system and accept the earlier charters. Finally UN proposal came up from the same leaders who were very active in the war fields, leaders of powerful nations.
This had a special interest to safeguard each other interests on self …